该BESSA三是高便携式，折叠伸缩镜头，让极高质量的图像将要采取使用一个高性能的镜头组。
The BESSA IIIis a high portable, folding bellows camera that allows extremely high-quality images to be taken using a high-performance lens unit.
这架照相机的镜头可以前后伸缩。
与舞台剧不同，摄影机镜头能够让我们近距离观看人脸——洞视其双眸，打量每条肌肉伸缩的细微动作。
Unlike a staged play, the camera can bring us up close to a face—to gaze deep into the eyes and examine every contracted muscle in intimate detail.
辛老师用15-40mm AngenieuxOptimo伸缩变焦镜拍摄了影片的大部分镜头。
Sigel shot most of the picture using the 15-40mm Angenieux Optimo zoom lens.
暗箱：制版照相机上可以伸缩的部份，它连接起镜头和影像平面。
Camera extension: the length of bellows in a process camera. It is the distance between the lens diaphragm and the image plane.
本发明公开了一种用于手机镜头的伸缩机构，旨在解决现有的手机不能通过镜头的伸缩来调节焦距之缺陷。
The invention discloses a telescopic mechanism for mobile phone lens, which is object to resolve the defect that the prior mobile phone cannot use the lens telescoping to regulate the focal distance.
在镜头和CCD部件之间通过可伸缩的遮光罩相连接。
The lens can be connected with the CCD part by a retractable shading cover.
在镜头和CCD部件之间通过可伸缩的遮光罩相连接。
The lens can be connected with the CCD part by a retractable shading cover.
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